The conformation of monodisperse branched polymers in a good-solvent semi-dilute solution is investigated by small-angle neutron scattering. The results are compatible with a pair correlation function of Ornstein-Zernike type. The correlation length ξ is found to be inversely proportional to the concentration, in agreement with theoretical predictions. Semidilute solutions behave as closely packed systems of blobs of size ξ having locally the conformation of a single polymer (fractal dimension D equal to 2).
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Delsanti et al. (1990) studied this question.
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